Background: The prognostic value of White Blood Cell (WBC) counts and C-reactive Protein (CRP) in clinical outcomes of Acute Ischemic Stroke (AIS) patients after Intravenous Thrombolysis (IVT) remains unknown. We investigated the association of WBC counts and CRP with 3-month functional outcomes and all-cause mortality in AIS patients.
Methods: 447 AIS patients treated with IVT between May 2010 and May 2017 were enrolled. WBC counts and CRP were measured within 24 hours after IVT. The main outcomes included poor functional outcomes (modified Rankin score ≥3) at 3 months and 3-month all-cause mortality.
Results: High WBC counts were associated with poor functional outcomes (adjusted OR (odds ratio) 4.48; 95% CI (confidence interval) 2.00-10.03; P-trend<0.001) and with all-cause mortality (adjusted HR (hazard ratio) 2.19; 95% CI 1.07-4.49; P-trend=0.018). In addition, high CRP levels were associated with poor functional outcomes (adjusted OR 4.95; 95% CI 1.39-17.65; Ptrend= 0.002). However, no significant association between high CRP levels and all-cause mortality was observed (adjusted HR 2.61; 95% CI 0.80-8.47; P-trend=0.138).
Conclusion: Our analysis indicated that elevated WBC counts and CRP levels after IVT can independently predict poor outcome among AIS patients.
Keywords: Acute Ischemic Stroke (AIS); C-reactive Protein (CRP); Inflammation; Intravenous Thrombolysis (IVT); White Blood Cell (WBC); prognosis..
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